Location History:
- Saitama-ken, JP (1999)
- Tokorozawa, JP (1999 - 2008)
- Tsurugashima, JP (2012)
- Tokyo, JP (1992 - 2021)
Company Filing History:
6 out of 2,861 
6 out of 2,651 
2 out of 18 Years Active: 1992-2021
Title: Hiroshi Iwamura: Innovator in Speaker Technology
Introduction
Hiroshi Iwamura is a prominent inventor based in Tokorozawa, Japan. He has made significant contributions to the field of audio technology, particularly in speaker driving devices. With a total of 14 patents to his name, Iwamura's work has had a lasting impact on the industry.
Latest Patents
Iwamura's latest patents include innovative designs for speaker driving devices. One such device features a first calculation unit that outputs a first calculation signal based on a first input signal. This signal is derived from response characteristics according to a first parameter defining an equivalent circuit of a first speaker unit. The device also includes a first driving signal generation unit that generates a first driving signal to drive a first output speaker unit. Additionally, a third calculation unit generates a third calculation signal from a second input signal based on response characteristics according to a third parameter defining an equivalent circuit of a third speaker unit. This complex system allows for enhanced audio performance and adaptability.
Another notable patent describes a speaker driving device that includes a setting part for defining parameters of a first speaker unit. The first calculator changes the first frequency response based on these parameters, which is then applied to an input signal. The driving signal generator creates a drive signal for the speaker unit based on the first calculation signal, ensuring optimal sound quality.
Career Highlights
Throughout his career, Hiroshi Iwamura has worked with leading companies in the audio industry, including Pioneer Electronic Corporation and Pioneer Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in speaker technology.
Collaborations
Iwamura has collaborated with notable colleagues such as Kyoichi Terao and Takehiko Shioda. These partnerships have fostered a creative environment that has led to the development of advanced audio solutions.
Conclusion
Hiroshi Iwamura's contributions to speaker technology through his numerous patents and collaborations highlight his status as a leading inventor in the field. His innovative designs continue to influence the audio industry and enhance the listening experience for users worldwide.